package com.example.demo.Service;

import com.example.demo.entity.User;
import org.apache.ibatis.annotations.Param;

import java.util.List;

public interface UserService {
    List<User> list(User user);

    User cha(String id);

    Integer xiugai(Integer id, Integer age);

    Integer zengjia(User user);

    Integer xiugaibiao(User user);

    boolean removeByIds( Integer...gids);
}
